| PERK | prospective evaluation of radial keratotomy [protocol] |
|---|---|
| PM | after death (Lat. post mortem); after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomogr... |
| PPP | pain perception profile; palatopharyngoplasty; palmoplantar pustulosis; pentose phosphate pathway; p... |
| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment ... |
| SHTTP | secure hypertext transport protocol |